Mark B. Stephens’ passenger Megan R. Daymude, 19, of Inwood, W.Va., was pronounced dead at the scene. He was flown by Maryland State Police helicopter to Baltimore Shock Trauma, where he was pronounced dead.

Mark D. Stephens also was flown to Shock Trauma for treatment of his injuries. He was listed in critical condition Sunday.

A Maryland State Police reconstructionist responded to the scene and the MSP crash team will continue to assist in the investigation.

Eastbound I-70 was closed for about 4 1/2 hours after the crash, while the westbound lanes were closed for an hour.